Senior Full Stack Java Developer
$125kA Medium Corporation
NetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results. Now operating as a subsidiary of Synergy ECP, NSI continues to stand out in a crowded contracting landscape through its agility, strong customer focus, and commitment to retaining exceptional talent. By taking on challenging IT initiatives, we cultivate our talent and are continually evolving through our partnerships with clients. Our close‑knot team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available. The Senior Java Full Stack Developer will be a part of an agile software development team and integral in performing software development, O&M support, and adhere to agile methodology and scrum ceremonies. This role will design and implement backed APIs using Java and Spring Boot, design and build secure and responsive UIs using React, and develop optimized PostgreSQL schemas and queries. The ideal candidate will have demonstrated strong verbal and written skills, experiences with the technology and business tools listed below, and will have proven experience delivering large‑scale enterprise applications from concept through deployment. Position Description Provide full‑stack design and development support using Java, Spring MVC, Spring Security, Spring Boot, React, and PostgreSQL. Design and implement modern UI components using React, TypeScript/JavaScript, and reusable design patterns. Implement normalized PostgreSQL schemas and entity relationships supporting system scalability. Develop and maintain secure RESTful APIs for data access and integration. Support and document data migration efforts, ensuring integrity and consistency between legacy and new systems. Plan and execute application deployments, version control, and CI/CD pipelines. Assist in supporting all aspects of the project to include all phases of life cycle development. Ensure compliance with 508 accessibility, enterprise security practices, and other practices as needed. Skills and Experience to Support NG Team Strong UI design and development skills using React, JavaScript, and CSS. Strong development experience required in the following technologies/areas: Java, Spring Framework/Security 6+, Spring Boot 3+, Hibernate 6+, SQL/PLSQL, PostgreSQL, RESTful APIs, Maven build tool, and Git/GitLab. Experience with database design and data migration. Additional experience required in the following technologies/areas: AWS (S3, EC2, ECS, Aurora, CloudWatch), Keycloak, Kubernetes, Maven, and Docker. Experience with Agile and Scrum and Kanban frameworks/methodologies. Experience with Atlassian tools to include Jira and Confluence. Experience with Continuous Integration/Continuous Delivery (CI/CD) tools and automation. Exceptional analytical and conceptual thinking skills. Excellent documentation skills. Excellent planning, organizational, and time management skills. Self‑motivated with strong initiative to help team grow. Minimum of 7+ years of experience. Computer Science background with degree (Bachelor’s or Master's) in field. Security Clearance requirement Must possess active TS/SCI clearance to be considered for this role. Other Requirements U.S. Citizenship. Compensation Spotlight For this role, our typical salary range starts at $125,000 and stretches up to $155,000. We are committed to rewarding exceptional talent and will consider offers above this range for candidates with the right education, experience, and additional attributes. Compensation is part of a complete rewards package including culture and impact opportunities. Taking Care of the People Who Take Care of The Nation Compensation We offer highly competitive compensation that is consistently recognized by our employees as being generous. Health & Retirement We offer a comprehensive Health Benefits package and 401K Retirement plan. Additional health-related benefits include People Partners to help navigate personal and professional worlds, and strong wellness resources offered through our healthcare provider. Education Individual growth is a priority at NSI/Synergy ECP. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can pursue degrees or certifications. Work/Life Balance A healthy work/life balance is essential for building and executing your work effectively. We offer generous paid time off, 10 paid holidays a year, and flexible work options. Philanthropy We participate annually in building awareness, volunteering, and contributing to various organizations, creating a sense of purpose and engagement. NSI/Synergy ECP is committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, qualifications, and business needs. We do not discriminate on the basis of race, color, sex, national origin, religion, age, disability, or any other status protected by applicable law. #J-18808-Ljbffr Medium
- About the job Senior Full Stack Java Developer Java Developer with experience in developing J2EE applications using REST/JSON, Spring, SpringBoot, J2EE. Designs, develops, and implements web-based Java applications to support business requirements. Drives technical excellence...Senior
- ...Job Title: Senior Java Full Stack Developer Employment Type: W2 Only Experience: 10+ Years Job Summary We are seeking a highly experienced Senior Java Full Stack Developer with 10+ years of hands‑on experience designing, developing, and deploying enterprise‑scale applications...Senior
- ...Join Our Team as a Senior Full Stack Developer About Us Harmonia Holdings Group, LLC, an esteemed minority and female owned federal government contractor... .... Key Responsibilities Utilize expert‑level proficiency in Java with Springboot and microservices architecture. Apply...SeniorFor contractors
- ...experience with Angular, React, or similar frontend frameworks. At least 4 years of experience with REST services, preferably using Java and Spring. Some amount of experience deploying to cloud platforms (Kubernetes, PCF, GCP, Azure, AWS, etc.). Some amount of...Senior
- ...Sr Java Fullstack Developer McLean, VA – Hybrid Apply here: Required Skills 7-10 years of software development experience Strong analytical skills. Must be able to reason and communicate ideas to team. Be open minded and motivates team players. Experience with ID enabled...Senior
$240k - $280k
...Senior Fullstack Developer District Partners is recruiting for an established, well-capitalized mortgage... ...-caliber candidates. A stable, full-time career track with meaningful... ...development in a JVM environment, primarily Java or Groovy Hands-on experience...SeniorFull timeRemote work- ...Senior Full Stack Developer Location: Northern Virginia or Baltimore, MD Seeking a senior level full stack developer with Java, J2EE, Angular, REST, React, HTML5, CSS5 SQL and MicroServices Architecture experience. Job Duties: Full stack development across...Senior
- ...Benefits 401(k) Dental insurance Health insurance Paid time off Vision insurance Role Senior Full Stack Developer Location Washington, D.C. - Hybrid Job Description Seeking a Senior Full Stack Java Developer with 10+ years of experience designing, building, and optimizing...Senior
- ...Open Systems Technologies is searching for an experienced Full Stack Software Developer to provide software maintenance and engineering support... ...with unit testing; programming; and developing in Python, Java Spring, or other frameworks. Core Qualifications:...SeniorContract workImmediate startRelocation package
$85.39k - $116.98k
...Syms Strategic Group (SSG) is seeking a talented Senior Full Stack Developer Location: Remote Department: Veterans Affairs (VA) Type: Full... ...Transfer Application Programming Interfaces (RESTful APIs) in Java and/or NodeJS that retrieve, transform, and serve EDI...SeniorFull timeRemote work- ...environment. 5-7 years of experience with relational databases including Sybase, SQL Server, MySQL, and/or DB2. 5 years of experience developing RESTful web services using Spring Boot. 5 years of experience developing front-end GUIs using Angular 2 or higher. 5 years of...SeniorWork experience placementFlexible hours
- ...Senior Full Stack Developer Bethesda, Maryland Black Canyon Consulting (BCC) is searching for a Sr. Full Stack Developer to support our work... ...Proficient with one of the current languages: Python, Kotlin, Java, etc. ~ Experience with relational database modeling and...SeniorFull timeWork experience placementWork at officeRemote work
- ...Washington, District of Columbia, United States Position Title: Senior Full Stack Developer AsaSr.Azure Full Stack Developer, youwillparticipatein all... ...enterprise software applications using C#/.NET, Java, or similar object-oriented programming languages. Experience...SeniorInterim roleLive inLocal area
$140k - $155k
...Enterprise Knowledge (EK) is hiring a full‑time Senior Full Stack Developer to join our growing Enterprise Delivery team. In this role, you will bridge... ...: Deep proficiency in Python (preferred), Golang, or Java for backend development, and extensive experience with modern...SeniorFull timeFor contractorsH1bWork at office2 days per week$130k - $170k
...We are seeking a Senior Full-Stack Developer with a strong background in building and architecting complex, data-driven systems. In this role, you’ll design and deliver modern applications, APIs, and services that process large volumes of structured and unstructured data...SeniorFull timeCasual work- Position Title: Full Stack Java Developer (Senior Level) Clearance Requirement: Active DOD/DSS SECRET security clearance or higher (interim acceptable). Location Requirement: All applicants must reside in DC/MD/VA. This position is NOT remote - work location is downtown...SeniorInterim roleLocal area
- ...Senior Full Stack Developer Location Washington, DC # of openings 3 Salary Range (Min-Max) 0 We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose...SeniorRemote work
- ...Senior Full Stack Developer Expression is seeking a highly skilled and experienced Senior Full Stack Developer with a passion for technology and problem-solving to join our team. The ideal candidate should be proficient in both front-end and back-end development, with...SeniorFull timeFor contractorsWork at officeLocal areaImmediate startRemote workRelocation
- ...Job Description Job Description Overview The Full Stack Developer, Senior provides full-stack design and development in a secure, mission-focused environment using Java, Spring Framework, React, and PostgreSQL. This role is responsible for designing and implementing...SeniorTemporary workWork at officeLocal areaFlexible hours
$146k - $234k
...Peraton is seeking Full Stack Developer with experience in Big Data, Data Analytics and designing and developing solutions within the cloud to... ...applications. Excellent development experience with Python, Java, Scala. Experience with developing on AWS. Experience with designing...Senior$120k - $160k
...Come join a high-performing team developing new mobile platform offerings and pushing mobile technologies to new adopters. The right candidate... ...in any modern Object Oriented language like C#, C++, or Java (or comparable experience with cross-platform mobile development...SeniorTemporary workCasual workWork at officeFlexible hours- ...Senior Full Stack Software Developer Anywhere Type: Contract Category: Development Industry: Healthcare Workplace Type: Remote Reference ID: JN -062026-107579 Date Posted: 06/23/2026 Shortcut: Description Recommended Jobs Description...SeniorHourly payContract workLocal areaRemote work
$100k
...We’re hiring a remote full-stack developer for our C#/.NET team. You are ideally a mid or senior-level .NET developer with experience building high-quality modern solutions and experience working autonomously. You’ll start on a six-month contract with the option to continue...SeniorHourly payContract workFor contractorsWork experience placementRemote workFlexible hours- Position Overview An up and coming start-up in the government space is looking for a top notch Senior C# Developer to own full stack applications. Interested candidates must have a passion to work in a start-up environment. Candidates must be US Citizens with a Bachelor...SeniorLong term contract
- ...Senior Full Stack Developer, Software with Top Secret Clearance EntreVation LLC, a management consulting firm located in Washington, DC, is proud... ...such as Subversion (SVN), CVS, ClearCase, GIT. 7+ years of Java. 7+ years of JavaScript. 7+ years of HTML. 7+ years of SOL....Senior
- Kadiak, LLC, a Koniag Government Services company, is seeking a Senior .Net Full-Stack Developer with a Top-Secret security clearance to support Kadiak and our government customer in Washington, DC. We offer competitive compensation and an extraordinary benefits package...SeniorLocal areaFlexible hours
- ...We are seeking a Senior Full Stack Developer with strong expertise in Java, Spring Boot, SQL, and MongoDB to design, develop, and maintain scalable enterprise applications. This role requires a hands-on technologist who thrives in complex environments, enjoys solving challenging...Senior
- ...Senior Full Stack Developer Our client is seeking a Senior Full Stack Developer to design, develop, and maintain scalable enterprise applications... ..., and maintain scalable enterprise applications using Java, Spring Boot, SQL, and MongoDB • Build and support cloud-...Senior
$85k - $170k
...Senior Software Developer As a Senior Software Developer, you will work with our growing DevSecOps practice delivering software features, APIs... ...years related IT experience ~5+ Years of experience with Java/React ~5+ Years of experience with Git SCM providers such...Senior- ...Job Title: Senior Java Full Stack Developer (Frontend – 70% & Backend 30%) Location: McLean, VA 22102 (Needs to be onsite for 5 days a week) Duration: Long Term Interview Mode: In-Person Interview Job Description Looking for a Senior Java Full Stack Developer (Frontend...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Java Developer. Be the first to apply!
- full stack react developer Washington DC
- junior full-stack web developer Washington DC
- full stack developer contract Washington DC
- java full stack angular developer Washington DC
- lead full stack java developer Washington DC
- full stack java developer Washington DC
- full stack developer Washington DC
- c# .net full stack developer Washington DC
- mid level full stack developer Washington DC
- senior full stack developer Washington DC

